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    <title>Document</title>
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    <script>
        /* 
        对象的浅拷贝： 将 参数2 ，参数3 ，及后面的对象的属性拷贝给 参数1
        // Object.assign(参数1，参数2，参数3，参数4........)
                
        */

        let game = { red: '红色', price: 99 };
        let obj = { name: '剑圣', game };
        let obj1 = { score: 100 };
        let target = { age: 22, score: 60 };

        Object.assign(target,obj,obj1);

        console.log(target); 
        console.log(obj);   
        // game.red='blue'
        console.log(target);
        
        /* 
        目标对象，原有的属性保留，属性同名，覆盖
        */
    </script>
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